A circular wire of radius 2.5 cm is cut ...

A circular wire of radius 2.5 cm is cut and bent to as to lie along the circumference of a hoop whose radius is 1.29 m. Find (in degrees) the angles which is subtended at the centre of the loop :

A

`9.67^@`

B

`7.69^@`

C

`6.97^@`

D

none of these

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The correct Answer is:

C

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